
lemlist
Instantly.ai
Apollo.io
Reply.io
Mailshake
Hunter.io
SmartLead.ai
Snov.io
Versia.dev
LaunchDarkly
Mutiny
PostHog
Dynamic Yield
Optimizely
VWO
Statsig
lemlist is the #1-ranked sales engagement platform on G2, used by 20,000+ B2B companies to run multichannel outbound at scale. It covers the full outbound workflow in a single tool: a 600M+ contact database, waterfall enrichment (80% email find rate across 8 providers), multichannel sequences (email, LinkedIn, WhatsApp, phone), AI-powered personalization, a complete deliverability stack, unified inbox, and native CRM integrations with HubSpot, Salesforce, and Pipedrive. Founded in 2018, bootstrapped to $50M ARR and profitable.
lemlist
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Instantly.ai - Build your own infinitely scalable cold email outreach system with Instantly.
LaunchDarkly - LaunchDarkly is a powerful development tool which allows software developers to roll out updates and new features.
Apollo.io - Apolloโs predictive prospecting, sales engagement, and actionable analytics help the teams to reach its full revenue potential.
Mutiny - Personalize your website for each visitor
Reply.io - Reply.io is an AI-driven sales engagement platform that automates cold outreach through unlimited mailboxes, converts website traffic into booked meetings with AI Chat, and empowers your team to streamline the entire sales process with AI SDRs.
PostHog - An open source suite of product and data tools including product analytics, feature flags, session replay, A/B testing, surveys, and more.